<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            /* 解决*/
            font-size: 0;
        }

        div {
            /* 存在边距 */
            /* 解决方法，给父盒子设置  font-size: 0;*/
            width: 200px;
            height: 200px;
            background-color: pink;
            display: inline-block;
        }
    </style>
</head>

<body>
    <div></div>
    <div></div>
</body>

</html>